narrowing testing to python36

.gitlab-ci.yml

-image: python:latest
+image: python:3.6
 
 variables:
-  PIP_CACHE_DIR: "$CI_PROJECT_DIR/.cahe/pip"
+  PIP_CACHE_DIR: "$CI_PROJECT_DIR/.cache/pip"
 
 cache:
   paths:

tox.ini

 [tox]
-envlist = py36,py310
+envlist = py36
 
 [testenv]
 deps = pytest==7.0